6. (1 point) what is the correct formula for sodium sulfate? *
nahso₃
nahso₄
na₂so₃
na₂so₄
7. (1 point) binary molecular compounds are made of two *
metalloid elements
metallic elements
nonmetallic elements
polyatomic ions
8. (1 point) which of the following correctly shows a prefix used in naming a binary molecular compound along with its corresponding number? *
penta- , 6
hexa- , 4
deca - , 8
nona- , 9
9. when the name of the anion that is part of an acid ends in – ate the acid name includes the suffix *
-ous
-ic
-ate
-ite
10. (1 point) in any chemical compound, the elements are always combined in the same proportion by *
mass
density
charge
volume
11. (1 point) avogadro’s number of representative particles is equal to one *
kelvin
mole
gram
kilogram